Am 21.11.2011 03:34, schrieb [email protected]: >> Still seems rather vague to me, but the answer is as in all matters >> backscattery: do not accept mail that you cannot deliver. Perhaps >> you're needing to decommission this third MX host. At very least you >> must set up a means to validate recipients for the domain[s] in >> question. >> >> http://www.postfix.org/ADDRESS_CLASS_README.html#relay_domain_class >> http://www.postfix.org/postconf.5.html#relay_recipient_maps >> >> A commonly-chosed alternative is recipient verification: >> >> http://www.postfix.org/ADDRESS_VERIFICATION_README.html#recipient >> http://www.postfix.org/postconf.5.html#reject_unverified_recipient > > If I disable any of the servers it won't be my Postfix.
who spoke of disable a server? all your servers has to be a list auf valid users, so they REJECT messages instead bouncing them and if a message is rejected the delivering server is responsible for a nbounce th HIS sender
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